But at the end of season 1, Derek's wife shows up and the Derek/Meredith thing is over (for now).
In season 2, Meredith takes a guy home that she meets at Joe's.
When Bailey speaks of her idea to open a free clinic, Izzie invests her money into it.Again A long time after Denny's death, Izzie begins dating Alex again, but she starts seeing Denny everywhere and even carries on a relationship with him, though she knows that he is dead.For a while they keep their relationship a secret, but it's not too long until the whole hospital knows.By the middle of season 1, they are no longer keeping it secret.The next day, he needs to be seen at the hospital for his constant erection and Derek finds out that Meredith had slept with him. Meredith begins dating the vet of her and Derek's shared dog, Doc.
Derek realizes that he doesn't love Addison and doesn't want to be with her, but allows Meredith time to make her choice between him and Finn.
They get back together and Burke tells Chief Webber of their relationship.
Cristina has trouble coping with the fact that Burke may no longer be a great surgeon after he is shot.
He and Cristina begin dating, but break up after Owen chokes Cristina in his sleep, but as he goes through therapy, she gets back together with him.
They have a rocky relationship because Owen seems to be in love with both Cristina and Teddy Altman. Izzie begins to show interest in Alex at the beginning of season 2.
Meredith finally chooses Derek, but then he says he needs time to get over the fact that Addison had a relationship with Mark.